A compact external rotor hoist

Abstract

The utility model relates to a compact outer rotor traction machine belongs to traction machine technical field. Including frame, rotating part, stator part, brake part and monitoring part, features: rotating part includes main shaft, traction wheel and the rotor part of opposite stator part, frame includes motor casing, traction wheel seat, motor end face and stator mounting seat, and the installation cavity that forms between motor casing, motor end face and stator mounting seat is installed for rotor part, stator part, rotor part includes magnetic steel and magnetic steel fixed wheel body, and traction wheel seat is integrally formed with motor casing, and the other end opening installs front cover, and the both ends of main shaft are supported in the inner hole of stator mounting seat and front cover through first bearing and second bearing, and the one end of main shaft extending out stator mounting seat installs brake part, and monitoring part is installed in the one end of main shaft and is embedded in the inner ring of brake part. Advantage: good heat dissipation performance, compact structure, integral double support structure, more uniform stress, suitable for small machine room or no machine room installation.

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